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Michigan Administrative Code (Last Updated: November 16, 2016) |
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Department LR. Licensing and Regulatory Affairs |
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Bureau of Construction Codes |
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Chapter Michigan Boiler Rules |
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Part 2. EXISTING INSTALLATIONS STEAM BOILERS |
Section 408.4214. Safety and safety relief valves.
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Rule 214. A person shall not use weighted-lever safety valves or safety valves that have a seat or disk made of cast iron. Valves of this type or construction shall be replaced by direct spring-loaded pop-type valves or safety relief valves that are in compliance with the requirements of the ASME power boiler code and shall be connected to the boiler with the spindle vertical.
History: 1979 AC; 1995 AACS.